const createError = require("http-errors");
const express = require("express");
const path = require("path");
const cookieParser = require("cookie-parser");
const logger = require("morgan");

// session
const session = require("express-session");
const MongoStore = require("connect-mongo");
const { DBHOST, DBNAME, DBPORT, SECRET } = require("./config/index");

const indexRouter = require("./routes/web/index");
const authRouter = require("./routes/web/auth");

const accountRouter = require("./routes/api/account");
const authApiRouter = require("./routes/api/auth");
const app = express();

// 设置session中间件
app.use(
  session({
    name: "sid",
    secret: SECRET,
    saveUninitialized: false,
    resave: true,
    store: MongoStore.create({
      mongoUrl: `mongodb://${DBHOST}:${DBPORT}/${DBNAME}`,
    }),
    cookie: {
      httpOnly: true,
      maxAge: 1000 * 60 * 60 * 34 * 7,
    },
  })
);

// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "ejs");

app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));

app.use("/", indexRouter);
app.use("/", authRouter);
app.use("/api", accountRouter);
app.use("/api", authApiRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  // next(createError(404));
  // 响应404
  res.render("404");
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get("env") === "development" ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render("error");
});

module.exports = app;
